ऐसा कौन सा बैग है जो सिर्फ भीगने पर ही काम आता है? - Hindi Paheli With Answer

Question: Volume of a gas at STP is 1.12 x 10^-7 cc. Calculate the number of molecules in it [BHU 1997]

(a) 3.01 x 10²⁰

(b) 3.01 x 10¹²

(c) 3.01 x 10²³

(d) 3.01 x 10²⁴

Correct Answer: (b) 3.01 x 10¹²

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